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Title: An RHCP/LHCP Switchable Slotline-Fed Slot-Ring Antenna
Authors: Ho, Min-Hua;Wu, Ming-Ting;Hsu, Chung-I G.;Sze, Jia-Yi
Contributors: 電子工程學系
Keywords: Circular polarization;Slot-ring;Pin diode
Date: 2005-07
Issue Date: 2012-05-22T06:27:23Z
Publisher: Wiley
Abstract: In this paper, two irises are orthogonally connected to a slot-ring antenna via short-length slits with each of the slits loaded by a pin diode. This antenna can be switched back and forth between righthand and left-hand circular polarization by turning on/off the pin diodes. The slot ring is excited by a slotline. The conformability of the slotline with an SMA is accomplished by inserting a CPW-to-slotline transition between them. An experimental antenna is built on a low-cost FR4 substrate in order to validate the design. The antenna’s uniplanar architecture and its polarization-diversity property will be very useful in wireless-communication systems.
Relation: Microwave and Optical Technology Lett., 46(1): 30-33
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